2. What type of roots of a quadratic equation whose discriminant is greater than zero? (A) Not real (B) Real and equal (D) Not real but equal (C) Real but unequal
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When a, b and c are real numbers, a ≠ 0 and the discriminant is a perfect square but any one of a or b is irrational then the roots of the quadratic equation ax2 + bx + c = 0 are irrational.
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